To enable just-in-time (JIT) debugging, the .config file for this application or computer (machine.config) must have the jitDebugging value set in the system.windows.forms section. The application must also be compiled with debugging enabled.

amit 0

To enable just-in-time (JIT) debugging, the .config file for this

application or computer (machine.config) must have the

jitDebugging value set in the system.windows.forms section.

The application must also be compiled with debugging

enabled.

RLWA32 42,551 Reputation points

2024-03-13T09:07:01.9166667+00:00

Your initial post does not contain a question. What is the problem you are trying to solve?
Tianyu Sun-MSFT 28,951 Reputation points Microsoft Vendor

2024-03-13T09:20:32.6+00:00

Hello @amit,

Welcome to Microsoft Q&A forum.

Are you using a .NET based WinForm project? Or a .NET Framework based WinForm project?

Do you want to enable JIT debugger? Did you get any error(above message usually appears when an exception occurs)?

If you are using a .NET Framework based WinForm project and want to enable JIT debugger, please try to press Win + R, type and run regedit, navigate to HKEY_LOCAL_MACHINE\Software\WOW6432Node\Microsoft\Windows NT\CurrentVersion\AeDebug, select AeDebug, on the right, right-click > New > DWORD (32-bit) Value, change its name to Auto, and its value to 1. Do the same for HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AeDebug. In your project, open App.config file, and add <system.windows.forms jitDebugging="true" /> between <configuration> and </configuration>. Rebuild and run your application.
amit 0 Reputation points

2024-03-14T07:40:07.1333333+00:00

when i am opening any file this error is coming... asking for jit debugging enable....... plzzz tell mee how can i enable this jit debugging
amit 0 Reputation points

2024-03-14T07:52:00.5433333+00:00

Tianyu Sun-MSFT

thanks for help

but can you tell me where is App.config file.

plzzz tell me ..
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Tianyu Sun-MSFT 28,951 Reputation points Microsoft Vendor

2024-03-14T09:46:18.1133333+00:00

Hi @amit,

The App.config file usually includes in .NET Framework projects(in the project folder), if you are using a .NET project, then it doesn't exist.

I tested on my side. If you modified the Registry keys which I mentioned above, the error should disappear for .NET Framework projects and some .NET projects(like Console project), but it seems that it doesn't work for .NET WinForm projects.

You mentioned "When I am opening any file this error is coming, ask for jit debugging enable", I'm thinking if you need to check this option => Tools > Options > Debugging > Just-In-Time > Just-In-Time Debugging. But I'm still a little confused, did you get any other detailed error message? Could you elaborate what you did and when this error occurred? Are you using Visual Studio?
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This comment has been deleted due to a violation of our Code of Conduct. The comment was manually reported or identified through automated detection before action was taken. Please refer to our Code of Conduct for more information.
amit 0 Reputation points

2024-03-15T09:20:12.6433333+00:00

this is my insta aaammm_iiittt i will send you the prblm.,s photo
amit 0 Reputation points

2024-03-15T14:33:27.0966667+00:00

Tianyu Sun-MSFT

i am not using visual studio i am using winrar file after extracting my file this error occured
Lesli 0 Reputation points

2024-06-10T22:08:00.13+00:00

I am trying to debug a program for my 89yo father. This message: Method not found: 'void AxMOVIEPLAYERLib.AxMoviePlayer.set_SpectrumVisibleWhen PlayAudio(Boolean)'

I've reached out to the software company and have been trying to modify to use the JIT feature but do not know where to find the app.config since I'm not actually programming. Any advice?

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To enable just-in-time (JIT) debugging, the .config file for this application or computer (machine.config) must have the jitDebugging value set in the system.windows.forms section. The application must also be compiled with debugging enabled.